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Optimize tree route to sync faster (#3665)

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* Introduce HeaderMetadata and use it for tree_route. Add lowest_common_ancestor.
* Add tests.
This commit is contained in:
Marcio Diaz
2019-10-02 20:30:43 +02:00
committed by GitHub
parent 8646cd158e
commit f6bd58ac1f
22 changed files with 677 additions and 280 deletions
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substrate/core/consensus/babe/src/epoch_changes.rs
+2 -1
View File
@@ -28,6 +28,7 @@ use codec::{Encode, Decode};
use client::error::Error as ClientError;
use client::utils as client_utils;
use client::blockchain::HeaderBackend;
use header_metadata::HeaderMetadata;
use primitives::H256;
use std::ops::Add;
@@ -62,7 +63,7 @@ pub(crate) struct HeaderBackendDescendentBuilder<H, Block>(H, std::marker::Phant
// https://github.com/paritytech/substrate/issues/3624
impl<'a, H, Block> IsDescendentOfBuilder<H256>
for HeaderBackendDescendentBuilder<&'a H, Block> where
H: HeaderBackend<Block>,
H: HeaderBackend<Block> + HeaderMetadata<Block, Error=ClientError>,
Block: BlockT<Hash = H256>,
{
type Error = ClientError;
substrate/core/consensus/babe/src/lib.rs
+7 -5
View File
@@ -93,7 +93,7 @@ use consensus_common::import_queue::{Verifier, BasicQueue, CacheKeyId};
use client::{
block_builder::api::BlockBuilder as BlockBuilderApi,
blockchain::{self, HeaderBackend, ProvideCache}, BlockchainEvents, CallExecutor, Client,
error::Result as ClientResult, backend::{AuxStore, Backend},
error::Result as ClientResult, error::Error as ClientError, backend::{AuxStore, Backend},
ProvideUncles,
};
use slots::{CheckedHeader, check_equivocation};
@@ -101,6 +101,8 @@ use futures::prelude::*;
use log::{warn, debug, info, trace};
use slots::{SlotWorker, SlotData, SlotInfo, SlotCompatible};
use epoch_changes::descendent_query;
use header_metadata::HeaderMetadata;
mod aux_schema;
mod verification;
mod epoch_changes;
@@ -223,7 +225,7 @@ pub fn start_babe<B, C, SC, E, I, SO, Error>(BabeParams {
> where
B: BlockT<Hash=H256>,
C: ProvideRuntimeApi + ProvideCache<B> + ProvideUncles<B> + BlockchainEvents<B>
+ HeaderBackend<B> + Send + Sync + 'static,
+ HeaderBackend<B> + HeaderMetadata<B, Error=ClientError> + Send + Sync + 'static,
C::Api: BabeApi<B>,
SC: SelectChain<B> + 'static,
E: Environment<B, Error=Error> + Send + Sync,
@@ -296,7 +298,7 @@ struct BabeWorker<B: BlockT, C, E, I, SO> {
impl<B, C, E, I, Error, SO> slots::SimpleSlotWorker<B> for BabeWorker<B, C, E, I, SO> where
B: BlockT<Hash=H256>,
C: ProvideRuntimeApi + ProvideCache<B> + HeaderBackend<B>,
C: ProvideRuntimeApi + ProvideCache<B> + HeaderBackend<B> + HeaderMetadata<B, Error=ClientError>,
C::Api: BabeApi<B>,
E: Environment<B, Error=Error>,
E::Proposer: Proposer<B, Error=Error>,
@@ -408,7 +410,7 @@ impl<B, C, E, I, Error, SO> slots::SimpleSlotWorker<B> for BabeWorker<B, C, E, I
impl<B, C, E, I, Error, SO> SlotWorker<B> for BabeWorker<B, C, E, I, SO> where
B: BlockT<Hash=H256>,
C: ProvideRuntimeApi + ProvideCache<B> + HeaderBackend<B> + Send + Sync,
C: ProvideRuntimeApi + ProvideCache<B> + HeaderBackend<B> + HeaderMetadata<B, Error=ClientError> + Send + Sync,
C::Api: BabeApi<B>,
E: Environment<B, Error=Error> + Send + Sync,
E::Proposer: Proposer<B, Error=Error>,
@@ -1071,7 +1073,7 @@ pub mod test_helpers {
link: &BabeLink<B>,
) -> Option<BabePreDigest> where
B: BlockT<Hash=H256>,
C: ProvideRuntimeApi + ProvideCache<B> + HeaderBackend<B>,
C: ProvideRuntimeApi + ProvideCache<B> + HeaderBackend<B> + HeaderMetadata<B, Error=ClientError>,
C::Api: BabeApi<B>,
{
let epoch = link.epoch_changes.lock().epoch_for_child_of(